/** The tool loop's frame-backed locals, set once when `runPrompt` first
 *  enters a frame and restored with it after a checkpoint. Everything
 *  here is the loop's bookkeeping except `removedTools`, `messagesJSON`,
 *  and `toolNames`, which a debugger's edit may read or change
 *  (`docs/dev/runtime/checkpoint-patch.md`). */
export declare function initLoopFrame(self: Record<string, any>, args: Record<string, any>): void;